償清; 售出; 去除He has no money, but he is willing to work off his check by doing dishes. 他沒有錢, 不過他願意洗碗來償付欠帳。The merchant worked off an undesirable lot of goods. 這商人銷掉了一大批劣貨。
從事於You will crack this problem if you really work at it. 要是你真正下點功夫, 就一定能解答這個問題。He works in the library at a novel that he was writing. 他在圖書館裡撰寫他創作的那本小說。
從事; 影響I haven't quite figured out the problem yet, but I'm working on it. 我還沒有完全解決那道題, 但我仍在做。Senator Smith worked on the other committee members to vote for the act. 參議員史密斯設法說服其他委員投票支持這一法案。
